The hypothalamus produces thyrotropin-releasing hormone (TRH), which stimulates the pituitary gland to release thyroid-stimulating hormone (TSH).
Water Opal is a colourless, clear opal with a play of colour. It is rare and valuable in the Realms, where it is used in scrying devices.ater Opals are valuable gems in the game which may be found. This item appears in Baldur's Gate (game) , Baldur's Gate: Enhanced Edition, Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition.
The Roman historian, Pliny the Elder, described opalus - the Opal, as a precious stone containing the fiery flame of the carbuncle (Garnet), the resplendent purple of the Amethyst, and the sea-green glory of the Emerald - all shining together in incredible union and exquisite pleasure.